The wrath of the bighead

  • Updated: April 20, 2011 - 8:05 PM

 

Bighead carp is one of four species of Asian carp that are invasive to American rivers. They throw off ecosystems by:

Eating 40 percent of their body weight every day in plankton and bugs.

Replacing native fish in the waters they infest, such as walleye, sturgeon and sunnies.

OTHER INVADERS

In Minnesota, 19 lakes and four rivers are infested with zebra mussels, and 240 lakes are infected with Eurasian water milfoil. Asian carp have been found in the Mississippi River, but officials said there is no reproducing population yet.

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Pittsburgh - WP: B. Morris 8 FINAL
Cincinnati - LP: S. LeCure 7
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